Hanna Instruments HI 96771C - GLP; LAST CALIBRATION DATE; FACTORY CALIBRATION RESTORE

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It is possible to delete the calibration and
restore factory calibration.
• Press and hold for three seconds
RANGE/GLP/ to enter GLP mode.
FACTORY CALIBRATION RESTORE
To display the calibration date:
• Press and hold for three seconds
RANGE/GLP/ to enter GLP mode. The
calibration month and day will appear on
the main display and the year on the
secondary display.
• Press ZERO/CFM to save the calibration
date.
• The instrument displays “Stor” for one
second and the calibration is saved.
In the GLP mode, the last user calibration date can be consulted and the factory calibration can
be restored.
LAST CALIBRATION DATE
• If no calibration was performed, the
factory calibration message, “F.CAL” will
appear on the main display and the
instrument returns to measurement mode
after three seconds.
GLP
• The instrument will return automatically
to the measurement mode by displaying
dashes on the LCD.